单晶到单晶的转化

nullnullSingle Crystal to Single Crystal TransformationsnullSCSC guest exchange [ 2D or 3D ]thermal treatment/photopolymerizationtemperature changesguest desorption or absorption [ 3D ]Single crystal to single crystal (SCSC) transformations may be categorized into four main types according to the driving forces leading to the conversion:nullAnastasios J. Tasiopoulos *et.al Inorg. Chem. 2012. 05.16 H3CIPNd(NO3)3/DMF100℃/ in airInsertion of Functional Groups into a Nd3+ Metal Organic Framework via Single-Crystal-to-Single-Crystal Coordinating Solvent ExchangeSBUnull 3-D porous structure (3,6)-connected netnull50 ℃50 ℃50 ℃50 ℃100 ℃~2.7Å2.7~2.8Ånull50 ℃50 ℃50 ℃50 ℃50 ℃50 ℃100 ℃100 ℃nullnullIt is noticeable that the structure of the material retains its crystallinity after heating the acetone-exchanged material at 70℃ under vacuum as revealed by PXRD data. These exchange processes were fully reversible as it was indicated by PXRD and IR data.nullXin Liu*et.al Eur. J. Inorg. Chem. 2008, 2971–2974dehydrateA Rare Thermally Induced Single Crystal to Single Crystal Transformation from a 2D Chiral Coordination Polymer to a 3D Chiral Coordination Polymernull2D3Dnullnull2D: P21212 space group3D: I222 space groupA homochiral complex is supposed to demonstrate positive or negative Cotton effects in the CD spectra. In DMSO solution, sample 1 mainly displayed negative Cotton effects, sample 2 displayed notable negative Cotton effects.nullMing-Liang Tong*et al Chem. Eur. J. 2012,7357-7361Single-Crystal-to-Single-Crystal Transformation from 1D Staggered-Sculls Chain to 3D NbO-Type Metal-Organic Framework through [2+2] Photodimerizationbpe1,2-chdc[Zn(1,2-chdc)(bpe)2(H2O)2]·H2O (1)hydrothermal 80℃/3dZn(OAc)2·2H2O / H2O (1)Mn(OAc)2·4H2O / H2O (2)[Mn(1,2-chdc)(bpe)2(H2O)2]·H2O (2)nullnullcycloaddition reactionirradiate NbO topological networknull Hg lamp (400 W) for 11 h[Zn(1,2-chdc)(bpe)2(H2O)2]·H2O (1)[Mn(1,2-chdc)(bpe)2(H2O)2]·H2O (2)[Zn(1,2-chdc)(tpcb)(H2O)2]·H2O (3)[Mn(1,2-chdc)(tpcb)(H2O)2]·H2O (4)null Xiao-Ming Chen*et al. J. AM. CHEM. SOC. 2005,127, 14162 - 14163Temperature- or Guest-Induced Drastic Single-Crystal-to-Single-Crystal Transformations of a Nanoporous Coordination Polymer3-amino-1,2,4-triazole (Hatz)[Ag6Cl(atz)4]OH •6H2O AgClcolorless needlelike crystal Slow evaporation ammonianull The Ag3(atz)2 framework represents a 3-connected 4.142 net regarding atz as 3-connected nodes and Ag as linkers.nulltetragonal (I41/amd) orthorhombic (Fddd)8.5 Å 7.8 Å × 9.2 Åtetragonal (P4-n2)[Ag6Cl(atz)4]OH• xH2O( x ≦2)4.3 Å × 10.4 Å6-fold interpenetration5-fold interpenetration5-fold interpenetration4.142 4.142 4.142 [Ag6Cl(atz)4]OH •6H2O[Ag6Cl(atz)4]OH •6H2OnullThank You